Sauna stove



FIG. 1 is a perspective top view of a sauna stove showing my new design;

FIG. 2 is a front view thereof, the rear side being a mirror image;

FIG. 3 is a side view of one side thereof, the other side being a mirrorimage;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The ornamental design for a sauna stove, as shown and described.